{"id":"CVE-2021-1636","aliases":["EUVD-2021-7103","GHSA-hmh6-2fr5-6q37"],"status":"published","title":"Microsoft SQL Elevation of Privilege Vulnerability","description":"Microsoft SQL Elevation of Privilege Vulnerability","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.06514,"percentile":0.93831,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-89"],"published":"2021-01-12T19:41:55Z","modified":"2026-11-02T18:18:32Z","exploits":[{"source":"pocgithub","id":"Nate0634034090/bug-free-memory","title":"Nate0634034090/bug-free-memory","date":"2022-03-04","url":"https://github.com/Nate0634034090/bug-free-memory"}],"products":[{"vendor":"microsoft","product":"microsoft sql server 2012 for x64-based systems service pack 4 (qfe)"},{"vendor":"microsoft","product":"microsoft sql server 2012 service pack 4 (qfe)"},{"vendor":"microsoft","product":"microsoft sql server 2014 service pack 3 (cu 4)"},{"vendor":"microsoft","product":"microsoft sql server 2014 service pack 3 (gdr)"},{"vendor":"microsoft","product":"microsoft sql server 2016 for x64-based systems service pack 2 (gdr)"},{"vendor":"microsoft","product":"microsoft sql server 2016 service pack 2 (cu 15)"},{"vendor":"microsoft","product":"microsoft sql server 2017 (cu 22)"},{"vendor":"microsoft","product":"microsoft sql server 2017 (gdr)"},{"vendor":"microsoft","product":"microsoft sql server 2019 (cu 8)"},{"vendor":"microsoft","product":"microsoft sql server 2019 (gdr)"},{"vendor":"microsoft","product":"sql_server"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1636","tags":["vendor-advisory"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1636","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1636"},{"url":"https://github.com/advisories/GHSA-hmh6-2fr5-6q37"}],"sources":{"cve":[{"id":"CVE-2021-1636","title":"Microsoft SQL Elevation of Privilege Vulnerability","description":"Microsoft SQL Elevation of Privilege Vulnerability","status":"published","published":"2021-01-12T19:41:55Z","modified":"2026-11-02T17:58:49.53Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T19:02:29.283836Z"}],"euvd":[{"id":"EUVD-2021-7103","description":"Microsoft SQL Elevation of Privilege Vulnerability","status":"published","published":"2021-01-12T19:41:55Z","modified":"2026-11-02T17:58:49Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T05:08:39.228431Z"}],"ghsa":[{"id":"GHSA-hmh6-2fr5-6q37","title":"Microsoft SQL Elevation of Privilege Vulnerability","description":"Microsoft SQL Elevation of Privilege Vulnerability","status":"published","published":"2022-05-24T17:38:43Z","modified":"2024-10-08T18:32:56Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T14:58:26.306971Z"}],"nvd":[{"id":"CVE-2021-1636","description":"Microsoft SQL Elevation of Privilege Vulnerability","status":"published","published":"2021-01-12T20:15:30.167Z","modified":"2026-11-02T18:18:32.74Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T20:51:29.040079Z"}]}}